3. Use the following information to answer the question(s) below. Two population

Question

3. Use the following information to answer the question(s) below.

Two populations of birds with different coloration live on opposite sides of a peninsula. One population has a red cheek, the other has a black cheek. The habitat between the populations is not suitable for these birds. When birds from the two populations are brought together, they produce young whose appearance is intermediate between the two parents. These offspring will breed with each other or with birds from either parent population, and all offspring of these pairings appear intermediate to various degrees. DNA analysis reveals no significant genetic differentiation between the two population's genomes.

The two populations are _____

A. Different species, under the morphological species concept.

B. Different species, under the biological species concept.

C. Different species, under the phylogenetic species concept.

4. Which of the following describes the most likely order of events in allopatric speciation?

A. Genetic drift, reproductive isolation, divergence

B. Reproductive isolation, divergence, genetic drift

C. Divergence, genetic drift, reproductive isolation

D. Divergence, reproductive isolation, genetic drift

E. Reproductive isolation, genetic drift, divergence

10. Which of these statements about human evolution is correct?

A. The ancestors of Homo sapiens were chimpanzees.

B. Human evolution has proceeded in an orderly fashion from an ancestral anthropoid to Homo sapiens.

C. The evolution of upright posture and enlarged brain occurred simultaneously

D. Different species of the genus Homo have coexisted at various times throughout hominin evolution.

Explanation / Answer

3. A

4. A

10. A (The ancestors of Homo sapiens were chimpanzees)

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